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Duchess Potatoes

Potato dough shaped into cookies, baked until browned.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Duchess Potatoes

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Prepare the potatoes as you would for croquettes.

  2. Flour a clean surface and roll out the potato mixture.

  3. Cut the rolled potato into cookie shapes.

Bake and serve

  1. Place the cookies in a buttered baking pan.

  2. Brush the tops with melted butter.

  3. Bake in a preheated oven at 400°F (200°C) for 10 minutes or until browned.

  4. Remove with a skimmer and serve on a hot dish.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Potato + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Potato + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together5,355 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Potatoes
Form the main body of the mixture, which is rolled and cut into shapes.
Flour
Keeps the rolled potato mixture from sticking and helps it hold its cut shape.
Butter
Adds richness and helps the tops brown in the oven.

The step that matters

Bake until browned. The oven time is short, so the cookies can dry out or stay pale if left too long or too briefly; watch for even browning on the tops.

Swap the potato

How well each one fits the dish's main ingredients (flour, butter):

  1. Shallotfits better
  2. Leekfits better
  3. Arrowrootfits better
  4. Potatothe original

Fit is the average pairing score against flour, butter. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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